EAP 6 shows "Invalid filter string: xyz: java.lang.NullPointerException" warning messaging in server.log

Issue

• Got following WARN messages in server.log :

WARN  [org.hornetq.core.filter.impl.FilterImpl] (Thread-24 (HornetQ-server-HornetQServerImpl::serverUUID=052620a0-9206-11e2-a62c-2b02f984cfee-1237749363)) Invalid filter string: xyz: java.lang.NullPointerException
    at org.hornetq.core.filter.impl.FilterImpl.match(FilterImpl.java:155)
    at org.hornetq.core.server.impl.ServerConsumerImpl.handle(ServerConsumerImpl.java:257)
    at org.hornetq.core.server.impl.QueueImpl.handle(QueueImpl.java:2234)
    at org.hornetq.core.server.impl.QueueImpl.deliver(QueueImpl.java:1778)
    at org.hornetq.core.server.impl.QueueImpl.doPoll(QueueImpl.java:1657)
    at org.hornetq.core.server.impl.QueueImpl.access$1200(QueueImpl.java:77)
    at org.hornetq.core.server.impl.QueueImpl$ConcurrentPoller.run(QueueImpl.java:2516)
    at org.hornetq.utils.OrderedExecutorFactory$OrderedExecutor$1.run(OrderedExecutorFactory.java:100)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_33]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_33]
    at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_33]